LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFATURING THE SAME
First Claim
1. An LCD device comprising:
- gate and data lines crossing each other to define a plurality of pixels on a lower substrate;
a pixel electrode in each of the plurality of pixels;
plural common electrode blocks patterned at the different layer from the pixel electrode, wherein the common electrode blocks, together with the pixel electrode, forms an electric field, and senses a user'"'"'s touch; and
plural sensing lines electrically connected with the common electrode blocks,wherein, if the sensing line is electrically connected with one of the common electrode blocks, the sensing line is insulated from the remaining common electrode blocks.
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Accused Products
Abstract
Disclosed is an LCD device which realizes decreased thickness, simplified process, and decreased cost by using a common electrode for formation of electric field to drive liquid crystal as a sensing electrode, and removing a touch screen from an upper surface of the liquid crystal panel, the LCD device comprising gate and data lines crossing each other to define plural pixels on a lower substrate; a pixel electrode in each of the plural pixels; plural common electrode blocks patterned at the different layer from the pixel electrode, wherein the common electrode blocks, together with the pixel electrode, forms an electric field, and senses a user'"'"'s touch; and plural sensing lines electrically connected with the common electrode blocks, wherein, if the sensing line is electrically connected with one of the common electrode blocks, the sensing line is insulated from the remaining common electrode blocks.
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Citations
18 Claims
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1. An LCD device comprising:
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gate and data lines crossing each other to define a plurality of pixels on a lower substrate; a pixel electrode in each of the plurality of pixels; plural common electrode blocks patterned at the different layer from the pixel electrode, wherein the common electrode blocks, together with the pixel electrode, forms an electric field, and senses a user'"'"'s touch; and plural sensing lines electrically connected with the common electrode blocks, wherein, if the sensing line is electrically connected with one of the common electrode blocks, the sensing line is insulated from the remaining common electrode blocks. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An LCD Device comprising:
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an active area of a lower substrate including gate and data lines crossing each other to define a plurality of pixels;
a transistor in each of the pixels;
a pixel electrode in each of the pixels;
plural common electrode blocks formed at the different layer from the pixel electrode, wherein the common electrode blocks, together with the pixel electrode, forms an electric field, and senses a user'"'"'s touch; and
plural sensing lines electrically connected with the common electrode blocks;a dummy area along the edge of the active area; and a blocking layer on a semiconductor layer of the transistor formed in the active area and the dummy area, the blocking layer for blocking ultraviolet rays, wherein, if the sensing line is electrically connected with one of the common electrode blocks, the sensing line is insulated from the remaining common electrode blocks. - View Dependent Claims (14, 15)
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16. A method for manufacturing an LCD device comprising:
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sequentially forming a gate electrode, a gate insulating film, a semiconductor layer, a source electrode, a drain electrode, and a first passivation layer on a lower substrate; forming a pixel electrode after forming a pixel electrode contact hole in the first passivation layer, and electrically connecting the pixel electrode and the drain electrode with each other through the pixel electrode contact hole; forming plural sensing lines in a predetermined direction, wherein the sensing line is formed on the first passivation layer, and is provided at a predetermined interval from the pixel electrode; forming a second passivation layer on the pixel electrode and the sensing line, and forming a common electrode contact hole so as to make the sensing line connected with one of plural common electrode blocks, and simultaneously make the sensing line insulated from the remaining common electrode blocks; and forming the common electrode block on the second passivation layer so as to electrically connect the sensing line and the common electrode block with each other. - View Dependent Claims (17, 18)
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Specification